Texas Instruments TI-84 PLUS - Graphing Calculator User Manual

Chapter 2: Math, Angle, and Test Operations 47
round(
round( returns a number, expression, list, or matrix rounded to #decimals (9). If #decimals is omitted,
value is rounded to the digits that are displayed, up to 10 digits.
round(value[,#decimals])
iPart(, fPart(
iPart( (integer part) returns the integer part or parts of real or complex numbers, expressions, lists,
and matrices.
iPart(value)
fPart( (fractional part) returns the fractional part or parts of real or complex numbers, expressions,
lists, and matrices.
fPart(value)
Note: The way the fractional result is displayed depends on the Answers mode setting. To convert from one
format to another, use
4F3 4D on the FRAC shortcut menu (t ^ 4).
int(
int( (greatest integer) returns the largest integer  real or complex numbers, expressions, lists, and
matrices.
int(value)

Texas Instruments TI-84 PLUS - Graphing Calculator Specifications

General

Type	Graphing Calculator
Display Type	LCD
Screen Resolution	96 x 64 pixels
Processor	Zilog Z80
Memory	24 KB RAM, 480 KB Flash ROM
Power Source	4 AAA batteries (with backup lithium battery)
Connectivity	I/O port
Weight	7.4 oz (210 g)
Software	TI-OS (Texas Instruments Operating System)